jan 1, 1971 - Floppy Disc

Description:

The diskette, or floppy disc, was invented by IBM and in common use from the mid-1970s to late 1990s. The first floppy disk, introduced in 1971, had a capacity of 79.7 kB, and was read-only. A read-write version came a year later. The original cost was around $20.